Kathio is a township in Mille Lacs County, Minnesota, home to about 1,424 people across 42 square miles. Its ZIP code is 56359, and parts of 56450 are in Kathio too.
Homes sold for a median of $223 per square foot in the three months ending August 2026, a balanced market.
Mostly Kathio; also South Harbor and Onamia City
Mostly Garrison Township; part is in Kathio
Each card is that ZIP code’s whole market, including any part outside Kathio. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Kathio’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)87 miles away |
|---|---|
| Closer regional airport | Brainerd Lakes Regional Airport (BRD)30 miles away |
| Nearest city of 250,000+ | Minneapolis, MN81 miles away |
| Nearest city of 1 million+ | Chicago, IL419 miles away |
Straight-line distances from the center of Kathio; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Kathio had 1,507 residents in the 2020 census, up 15% since 2000.
It’s the 444th largest of 2,727 towns in Minnesota by population.
Mille Lacs County grew from 8,066 residents in 1900 to 26,459 in 2020.
Mille Lacs County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 78°F in summer, and winter lows average 0°F. About 28.9 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Isle 12n, MN weather station (18 miles away).
8,011 jobs at 742 businesses in Mille Lacs County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
56 doctors and other health care providers list an office in Kathio.
Nearest hospitals
Providers with an office here
| Primary care doctors | 15 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 18 |
| Mental health providers | 17 |
| Physical and occupational therapists | 4 |
| Optometrists | 1 |
| Pharmacies | 5 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums
Counts are within about 4.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Onamia Public School District, Nay-Ah-Shing School. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Onamia Primary SchoolOnamia | Pre-K–2 | 130 | Public | 2.7 mi |
| Nay-Ah-Shing SchoolOnamia | K–12 | 125 | Public | 6.4 mi |
| Onamia Elementary SchoolOnamia | 3–6 | 131 | Public | 2.7 mi |
| Onamia AcademyOnamia | 4–12 | 36 | Alternative Education | 2.1 mi |
| Onamia High SchoolOnamia | 7–12 | 224 | Public | 2.6 mi |
| SuccessOnamia | 7–9 | 7 | Alternative Education | 2.7 mi |
| Kokesh Area Learning CenterOnamia | 9–12 | 28 | Alternative Education | 2.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with South Harbor, Onamia City, Onamia Township, Roosevelt Township (Crow Wing County), Garrison Township, Bradbury, Dailey, Garrison City and Mudgett.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.